Cologne to Sofia
Cologne to Sofia is cheapest from October through December, all at 30 €. January, the most expensive month we measured, costs about 13 € more.
Cologne to Sofia is 1,531 km flown direct. Every fare we measured came from Ryanair.
That comes from pricing 124 departure dates across 8 months. Every figure below is a fare we measured on the day shown, not a live quote. When we have nothing fresh to say about a route, its page stops existing.
What is a good price from Cologne to Sofia?
Anything at or below the quarter mark beats three in four of the 124 one-way fares we measured here. Above the median, wait or move the date.
seen 18 Aug 2026
How far ahead do the cheap fares sit?
When we measured, the cheapest quarter of fares sat between 88 and 182 days before departure, noticeably further out than the rest of the market. If you can look a few months ahead, that is where the cheap seats are sitting.
a snapshot of where the cheap seats sat, seen 18 Aug 2026
Which day of the week is cheapest?
On average, Sunday departures came out lowest and Wednesday highest, a spread of about 9 €. The day matters less than the month here: pick the month first, then the day.